A floating crane prepares to raise from the depths a South Korean navy combat corvette that mysteriously split in two and sank on March 26. To allow military and civilian investigators from South Korea, the U.S., Australia, the U.K. and Sweden to examine the 1,322-ton ship, a tag team of cranes—one capable of lifting 2,200 tons, the other, 3,600—retrieved the two pieces from the ocean floor.
Monstrous tsunami waves, like the one that killed over 200,000 people in the Indian Ocean in 2004, create an electric field as they form. This field could possibly be sensed by a network of underwater sensors. Such a network would be extremely valuable but also prohibitively expensive to build. Researchers at the National Oceanic and Atmospheric Administration (NOAA) propose, however, that the existing large network of undersea communication cables could be used instead. That finding could lead to early warnings that may complement existing tsunami warning systems.
The Large Hadron Collider, the world's most powerful particle accelerator, just cannot catch a break. First, a coolant leak destroyed some of the magnets that guide the energy beam. Then LHC officials postponed the restart of the machine to add additional safety features.
Partly to help explain solar eclipses, the ancient Egyptians had a story about the serpent god Apep, the Uncreator, who tried to swallow the sun god Ra as he crossed the sky.
Apep -- the Greeks called him Apophis -- personified death, destruction and chaos. His opponent was the goddess Ma'at, who represented all that was light and truth.
Now, a group of NASA scientists is hoping Ma'at will once again help humans ward off the harbinger of destruction.
By Christopher MimsPosted 01.23.2009 at 3:08 pm 35 Comments
Texas-size asteroids make for exciting summer blockbusters, but when it comes to long-term damage, they're not the most menacing threat out there. Lurking at the edge of our galaxy are giant molecular dust clouds -- agglomerations of hydrogen gas, small organic molecules and minerals -- roughly 150 light-years across. If our solar system hit one, it would take 100,000 years to pop out on the other side.
By Adam PashPosted 05.23.2008 at 12:00 pm 5 Comments
So you finally finished writing your novel and then somehow accidentally dumped it? It happens. Luckily, when you delete a file from your computer’s trash bin, it’s actually just marked for deletion. That means it can be overwritten on your hard drive by other data, but there’s a good chance it’s still intact—for a while, anyway.
Humans are fleeting visitors on this roiling rock in the universe. On December 26, 2004, at 58 minutes and 49 seconds past midnight GMT, Mother Earth reacquainted us with this immutable fact. For millions of years, a creeping slab of Earth´s crust—the India Plate—had been grinding headlong into a similarly stubborn chunk of rock called the Burma Plate. Like a clash of Brobdingnagian armies, millennia of pent-up kinetic energy suddenly exploded from the seabed, a scant 100 miles from Sumatra, Indonesia.